173105480

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{17957}}^1$

素因数の和:18209

約数の個数: 32

約数和(自身を含む): 391125240

約数和(自身を除く): 218019760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 17957, 35914, 71828, 89785, 143656, 179570, 359140, 718280, 4327637, 8655274, 17310548, 21638185, 34621096, 43276370, 86552740, 173105480]

約数ペア:

[(1, 173105480), (2, 86552740), (4, 43276370), (5, 34621096), (8, 21638185), (10, 17310548), (20, 8655274), (40, 4327637), (241, 718280), (482, 359140), (964, 179570), (1205, 143656), (1928, 89785), (2410, 71828), (4820, 35914), (9640, 17957)]